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WO1998006229A1 - Systeme de localisation automatique d'urgence de vehicule/navire base sur le telephone cellulaire - Google Patents

Systeme de localisation automatique d'urgence de vehicule/navire base sur le telephone cellulaire Download PDF

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Publication number
WO1998006229A1
WO1998006229A1 PCT/US1996/013388 US9613388W WO9806229A1 WO 1998006229 A1 WO1998006229 A1 WO 1998006229A1 US 9613388 W US9613388 W US 9613388W WO 9806229 A1 WO9806229 A1 WO 9806229A1
Authority
WO
WIPO (PCT)
Prior art keywords
cellular phone
activation
activation signal
message
dialer
Prior art date
Application number
PCT/US1996/013388
Other languages
English (en)
Inventor
Robert K. Tendler
Original Assignee
Tendler Cellular
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to US08/515,100 priority Critical patent/US5555286A/en
Application filed by Tendler Cellular filed Critical Tendler Cellular
Priority to AU70083/96A priority patent/AU7008396A/en
Priority to PCT/US1996/013388 priority patent/WO1998006229A1/fr
Publication of WO1998006229A1 publication Critical patent/WO1998006229A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/72418—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality for supporting emergency services
    • H04M1/72424—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality for supporting emergency services with manual activation of emergency-service functions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/72418—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality for supporting emergency services
    • H04M1/72421—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality for supporting emergency services with automatic activation of emergency service functions, e.g. upon sensing an alarm
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/04—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/50—Connection management for emergency connections

Definitions

  • This invention relates to emergency signalling and more particularly to a system incorporating a synthesized voice message for use with telephones in which a predetermined telephone number is diale d upon activation of the system followed by a verbal message including the geographic coordinates of the telephone .
  • the system for modulating the transmitter section of a transceiver includes means for entering a vehicle or a vessel identification number, in one case via a verbal scroll technique.
  • the emergency message includes not only the mayday indication but also verbalization of an identification number, in this case a vehicle or a vessel identification number, as well as the decoded latitude and longitude.
  • cellular phones have been utilized to digitally signal the location of an emergency situation through a system provided by the Code Alarm company.
  • a system utilizes information from a LORAN and causes the cellular phone to dial an 800 number.
  • the cellular phone then transmits digital information concerning vehicle identity and location to a monitoring location.
  • specialized demodulation equipment must be provided at the monitoring site to be able to decode the digital information.
  • the Code Alarm system requires a specific digital format or sentence structure which is not universally decodeable by others.
  • implementing such a system requires both specialized demodulation equipment and paid personnel to man the particular telephone number on a 24-hour basis.
  • Such systems are not only costly to implement, but are also costly to the user and usually require monthly user fees.
  • a ranging system is built into cell site protocols.
  • a ranging system is built into cell site protocols.
  • approximately 10 cell sites all equipped with the ranging programs must be in place. While this system operates to identify and locate a vehicle in distress, it is even more expensive to man and operate than the Code Alarm system due to the initial cost of the ranging programming, to say nothing of the additional towers necessary.
  • the aforementioned synthetic voice technique of Tendler is expanded to include a dialer which is responsible for dialing the appropriate number for the cellular or dialable phone.
  • the expanded system includes an Emergency Vessel/Vehicle Location System (EVLS) printed circuit board or module for voice synthesis and location decoding; and a dialer/activation detector.
  • EVLS Emergency Vessel/Vehicle Location System
  • Location information is available from suitable navigation units such as a LORAN or GPS, both of which output latitude and longitude on an NMEA 0183 bus.
  • the appropriate number to be dialed may either be preset, specified through detection of signals from the keypad of the telephone, or set via receipt of the telephone number to be dialed from the closest cell site or other fixed transmitter. Additionally, the activation detector activates the system upon either detection of telephone keypad signals or activation from an external source such as a panic button, airbag deployment, intrusion detection, pager activation or DTMF tone detection.
  • an external source such as a panic button, airbag deployment, intrusion detection, pager activation or DTMF tone detection.
  • a user might dial 911 from the cellular telephone. This is detected by the dialer/activation detector.
  • the dialer/activation detector then activates the EVLS and dialer module to first cause the telephone to go off hook and then dial the particular number. Thereafter the telephone is modulated on a periodic basis with a message which includes the fact of an emergency situation, the identity of the vehicle or vessel, and the latitude and longitude from a GPS or LORAN unit coupled to the EVLS Module.
  • GPS units and LORAN provide location information over what is known as an NMEA 0183 interface, with the EVLS board carrying the synthetic voice chip and a decoder utilized to decode the NMEA 0183 lat/lon sentence and provide a verbal rendition of the latitude and longitude to the cellular phone.
  • the EVLS board also is preloaded with the vessel or vehicle number as described in the aforementioned patent applications and as provided in Shakespeare model SE6000, SE2550 and SE2500 MD VHF radios.
  • external activation can include as an input, a panic button either hidden or visible, a hijack detector, a remote pager for actuating the system to radio vehicle or vessel location to a home office, a car theft alarm, or in the case of an accident, an airbag deployment detector.
  • a man down detector may be utilized to activate the system.
  • the dialer and activation detector may be interposed between the keypad and the cellular phone transceiver.
  • the dialer/activation detector includes a DTMF detector and tone generator such that the activation detector responds to predetermined tones from the telephone keypad prior to their transmittal to the transceiver and interrupts the normal operation of the keypad. This gives the dialer control of the transceiver. At the same time, detection of these tones activates the EVLS and dialer modules. The dialer then provides DTMF tones to the transceiver for dialing the appropriate telephone number.
  • the dialer/activation detector detects bus signals corresponding to keypad actuation and provides back appropriate bus signals suitable for actuating the internal DTMF dialer in the phone.
  • the dialer may merely pass the 911 back to the telephone as the original 911 signals.
  • the dialer may dial *CG at which time the corresponding signals are detected, and the appropriate signals for the telephone number are generated to dial the nearest Coast Guard station. Note that the appropriate Coast Guard station would be presumably that closest to the cellular phone site receiving the telephone call.
  • to dial state police one might dial *SP, with the dialer then either passing through the *SP signals or generating signals to dial the appropriate state police number, depending on which state the cell site receiving the telephone call is located.
  • programming at each fixed cellular phone site instructs the dialer which number to dial. For instance, in one embodiment, a cell site to stores the number of the local police department or the number of the local hospital, such that when a cellular phone is picked up by the site, the appropriate telephone number is transmitted to the cellular phone and is loaded into the dialer. Upon activation, the cellular phone then dials the appropriate entity so that local help can be summoned.
  • a vehicle or vessel can be instructed to "call home" for instance, to the dispatcher of a cab company, the home office of a rental car agency, a school bus dispatcher, or other designated entity.
  • This permits ascertaining the whereabouts of the vehicles or vessels merely by calling the cellular phone number of the vehicle or vessel and providing DTMF activation tones to activate the EVLS and dialer modules.
  • a cab company having cabs with cellular phone capabilities can call the telephone number of a cab and transmit the appropriate DTMF tones to receive a verbal rendition of the cab registration number and its latitude and longitude.
  • a rental car agency can utilize the same system to locate its rental cars by dialing the appropriate telephone number for the rental car, assuming the rental car is equipped with a suitable cellular phone. Additionally, if a car is stolen, the owner of the car can call the cellular telephone number of the phone in his car and dial in a special DTMF code so as to be able to find out where the stolen car is.
  • a rental car be provided with a suitable cellular phone
  • the occupant of the car can depress a "panic" button to have the phone either call 911 or an 800 number for the rental car company so as to be able to summon help.
  • an additional "where am I” button can be provided such that when depressed the cellular phone can be utilized to call the rental car company to apprise the rental car company of the location of the vehicle. This enables an operator to direct the occupant of the vehicle where to go by giving him suitable directions over the cellular phone.
  • either pager activation of the unit or activation through calling of the telephone number of the cellular phone may be utilized to locate the hijacked car once the individual has gotten out of the car safely. If activation is required while the hijacked individual is in the car, the operation can be silent so as not to annoy the hijacker.
  • Car theft is another application in which, when a car is stolen, the cellular phone is turned on, the system activated and the number called may either be 911 or any number the owner of the vehicle specifies .
  • An important use for the Subject System is in the area of EMT operations. As is often the case during an accident, time is of the essence in order to rescue and resuscitate the occupants of a vehicle involved in an accident.
  • external activation is from an airbag which upon deployment, causes the cellular phone to transmit the emergency message to wherever the dialer directs.
  • this type of system provides the authorities with instant location information so that EMT units may be directed to the scene as quickly as possible.
  • the cellular phone may be transportable and carried on the person.
  • the Subject System applies not only to vehicle or vessel mounted apparatus but also to man portable units as well.
  • the phone may be carried in a holder or holster to which NMEA 0183 data is provided on a continual basis.
  • the EVLS board and dialer/activation detector stores the last latitude and longitude transmitted over the NMEA 0183 interface as long as the telephone is in the holster.
  • the portable unit may be removed from an accident scene sufficiently to get out of danger.
  • the phone is then utilized to signal for help, secure in the knowledge that the last position will be transmitted.
  • the EVLS and dialer module is activated upon removal of the cellular phone from its holster such that the cellular phone can provide both an emergency location function and also serve as a communications device, unlike conventional EPIRBs or ELTs .
  • the storing of the last latitude and longitude is also important in the case of theft or hijacking when a thief or perpetrator seeks to disable a system by removing the GPS or damaging the navigational unit. This also protects against antenna removal.
  • an emergency vessel/vehicle location system includes a navigation unit to determine position and speech synthesis to modulate the section transmitter of a transceiver with the emergency message.
  • the message typically includes both an identity number for the vehicle/vessel, as well as a verbal rendition of the decoded location from the navigation unit.
  • the system is , activated by a combined dialer and activation detector. Activation may either be from DTMF tones received by the transceiver, detecting predetermined keypad actuations or from external activation, such as from a panic button, a Lojack/hijack sensor, a car theft alarm, airbag deployment, man down sensor, or other form of remote activation.
  • the activation detector/dialer When utilized with phones which utilize DTMF tones to dial a particular number, upon activation, the activation detector/dialer provides a DTMF dial command signals corresponding to a predetermined telephone number such that the transceiver can initiate a telephone call. Thereafter the transmitter for the transceiver is modulated with the emergency message in natural speech.
  • the dialer and activation detector may be actuated with signals from the keypad of the cellular phone, such as 911, *CG, *SP or other predetermined activation codes.
  • the number to be dialed is entered into the dialer prior to using the device, or optionally, the number to be dialed can be transmitted to the cellular phone and thence to the dialer when, for instance, a cellular phone is within range of a given cell site. This permits a fixed transmitter at a cell site to determine the number to be dialed. Additionally, power turn on may be accomplished remotely via a paging system such that the cellular phone may be made to "call home" via pager activation which turns the system on and then actuates it to broadcast the verbal message. Alternatively, if the system is already turned on, a remote "call home" function can be achieved through the dialing of the . cellular phone number and transmitting a predetermined DTMF activation code. BRIEF DESCRIPTION OF THE DRAWINGS
  • a cellular phone 10 includes a keypad 12, a microphone 14, and an earpiece 16 along with a suitable antenna 18. Coupled to the cellular phone is an EVLS and dialer module 20 which includes an EVLS module in the form of a printed circuit board 22 and a dialer and activation detector 24.
  • module 20 is coupled between the keypad and the cellular phone transceiver to be able to interrupt selected keypad signals prior to transmission to the transceiver. This permits the module to respond to EVLS-related keypad actuation and to place the appropriate signals on the bus between the keypad and the transceiver. Thus the module can interrupt and replace keypad commands. It is noted that for some cellular phones the keypad controls a DTMF tone generator within the transceiver. By interrupting and altering the keypad signals to the tone generator within the transceiver, the functions attributed to the dialer and activation detector in module 20 can be duplicated. However, for convenience in describing the Subject System, it will be assumed that DTMF tones are generated by the keypad and are both detected at and generated in the module.
  • EVLS board 22 contains a location detection circuit for detecting the location determined by a GPS 26 and transmitted to board 22 via an NMEA 0183 interface bus 28.
  • the function of the location detection circuit is to derive a number which is then verbalized along with a message that is preencoded and provided to a conventional speech synthesizing circuit which synthesizes a predetermined message and provides it over a line 30 to the modulation section of the telephone.
  • the EVLS board It is the purpose of the EVLS board to decode location and to provide the emergency message which includes the fact of an emergency and the location of the vehicle/vessel or person at which the EVLS and dialer module is located.
  • This message may be repeated once or as many times as required, with the message being terminated either on a time basis, by the actuation of any key in the keypad 12, or even by voice operated relays or voice commands should such be desired.
  • dialer and activation detector 24 includes a DTMF detector for detecting DTMF tones or equivalent bus signals from keypad 12. It also can be made to respond to any DTMF tones available from the audio output circuit of the phone which are sent from a remote location to the cellular phone, such as a predetermined code to have the system dial a predetermined number to give the location of the vehicle/vessel or person. Conventional programming determines which DTMF tones will be acted upon and the consequence of the action.
  • the dialer portion Upon detection of DTMF tones or equivalent bus signals which cause the activation of the unit, the dialer portion causes the cellular phone to go off hook and dial the telephone number that has been preset into the dialer.
  • This number can be preset in any number of conventional ways as illustrated at 32 or, optionally, as illustrated at 34, the number to be dialed can be obtained by receipt of remotely generated signals transmitted to the cellular phone transceiver such that the number to be dialed can be determined, for instance, by a predetermined signal from a cell site within range of the cellular phone.
  • remote activation of the Subject System can be accomplished, assuming the cellular phone is turned on, by the dialing of the cellular phone number and the transmission of predetermined DTMF activation tones which are detected by activation detector 24.
  • the result of the activation of module 20 is that a message is verbally broadcast, such as the message "MAYDAY MAYDAY MAYDAY...NY 810RYF...Position 40.21.02 North by 80.16.23 West". It will be appreciated that such information can be readily written down by hand and the position of the cellular phone determined by plotting this position on a conventional map.
  • an activation signal 36 from detector 24 is applied to EVLS board 22 such that upon providing an off-hook condition for the cellular phone, the EVLS board is actuated to modulate the modulator section of the transmitter for the cellular phone.
  • external activation of module 20 is provided by a number of different activation signals.
  • the result however of such external activation is the same in that the dialer and activation detector 24 detects the external activation signal and causes the telephone to go off-hook and to dial the appropriate number, thereafter activating the EVLS board to modulate the transmitter section of the cellular phone with the appropriate emergency message.
  • Such external activation can be, for instance, a panic button 40 carried anywhere on the vehicle or person which causes the cellular phone to transmit the position of the cellular phone upon actuation.
  • the location of a vehicle or person can be obtained by a remote pager activation.
  • This subsystem can also be actuated by a hijack victim who calls a pager number to have the cellular phone "call home".
  • the purpose of pager activation is to be able to turn on the cellular phone as illustrated at 44 should the phone be off. While it is possible to provide cellular phones which are hardwired to the battery and left on, this is not the usual case. Rather, by utilizing a low current draw pager receiver, the cellular phone can be turned on and module 20 activated to have the cellular phone call back to the preloaded number with the location.
  • a man down type of activation is appropriate for personally carried cellular phones in which, when a stricken officer falls to the ground, an activation signal is provided to module 20.
  • the man down activation can be by separate button or switch on the person.
  • the cellular phone may be made to store the last latitude and longitude and then call a predetermined number for indicating an , emergency situation.
  • module 20 nonetheless stores the last latitude and longitude which provides at least a starting point for the search being established by the broadcast of this position.
  • each's function to produce an external activation signal is well known.
  • activation by either a panic button, a location/hijack unit, a car theft alarm, an airbag, a man down detector or in fact any external activation can be utilized to provide a power-on signal to the cellular phone should the cellular phone not already be on.
  • the external activation nevertheless can be made to place a signal on power-on line 44 to make sure that the cellular phone is in fact on.
  • a bus comprising lines 60 and 64 is provided between keypad 12, module 20 and the remainder of the cellular phone transceiver.
  • the number to be dialed and the off-hook condition can be established through signalling over line 60 which provides the DTMF tones or equivalent bus commands to the transceiver as well as an off-hook or dialing command.
  • activation either from the keypad or from remotely generated DTMF tones, is coupled directly to the dialer and activation detector 24. This being the case, any predetermined DTMF activation code, detected by the activation detector through its DTMF detection circuits, can be utilized in the actuation of the system.
  • the Subject System has been described in connection with cellular phones, it will be appreciated that the Subject System has application to any phone system utilizing DTMF tone dialing, be it cellular, satellite or land line based.
  • location can be ascertained from LORAN, GPS, OMEGA or SATNAV systems, whereas for fixed locations the position can be preloaded into the speech synthesizer.
  • This System thus includes household use where the coordinates are voice synthesized and verbally broadcast or transmitted.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Public Health (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Alarm Systems (AREA)
  • Telephonic Communication Services (AREA)

Abstract

Système de localisation d'urgence pour véhicule/navire basé sur le téléphone cellulaire (10), qui comporte une unité de navigation (20) destinée à déterminer la position et la synthèse vocale afin de moduler (30) un émetteur avec le message d'urgence. Une combinaison (24) d'un composeur de numéros et d'un détecteur d'activation est également décrit.
PCT/US1996/013388 1994-01-31 1996-08-02 Systeme de localisation automatique d'urgence de vehicule/navire base sur le telephone cellulaire WO1998006229A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US08/515,100 US5555286A (en) 1994-01-31 1995-08-14 Cellular phone based automatic emergency vessel/vehicle location system
AU70083/96A AU7008396A (en) 1996-08-02 1996-08-02 Cellular phone based automatic emergency vessel/vehicle location system
PCT/US1996/013388 WO1998006229A1 (fr) 1995-08-14 1996-08-02 Systeme de localisation automatique d'urgence de vehicule/navire base sur le telephone cellulaire

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/515,100 US5555286A (en) 1994-01-31 1995-08-14 Cellular phone based automatic emergency vessel/vehicle location system
PCT/US1996/013388 WO1998006229A1 (fr) 1995-08-14 1996-08-02 Systeme de localisation automatique d'urgence de vehicule/navire base sur le telephone cellulaire

Publications (1)

Publication Number Publication Date
WO1998006229A1 true WO1998006229A1 (fr) 1998-02-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1996/013388 WO1998006229A1 (fr) 1994-01-31 1996-08-02 Systeme de localisation automatique d'urgence de vehicule/navire base sur le telephone cellulaire

Country Status (2)

Country Link
US (1) US5555286A (fr)
WO (1) WO1998006229A1 (fr)

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